Check Engine Light Problem Solved - Saab 900 Bulletin Board - Saabnet.com
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Check Engine Light Problem Solved
Posted by KevinD (more from KevinD) on Tue, 4 Dec 2001 13:56:48
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On my '88 SPG. Turned out to be a bad AIC. The ohm resistance values were out of spec when I (finally) scoped the AIC with (a new) digital voltmeter. I had been chasing this devilishly intermittent CEL problem for months. Since I have an '86 900T with similiar AIC and AMM I swapped them out and traced it down to a "bad" AIC when the CEL came up on the '86 after the swap. Since CEL's probs seem to be a persistent and common problem with the SPG's maybe my solution might prove helpful to other's experiencing similar problems with their SPG's.
However, the *Saab repair continuum* has reared its ugly Hydra head. As soon as this CEL problem was "solved" in my '88, the '86 sensed this and decided to start "popping" out of gear. I'm hoping it just a broken engine mount or shifter bushing. And so it goes.
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